TH14743C3 - Production process of ready-mixed concrete, reinforced concrete, prestressed concrete - Google Patents

Abstract

------ 29/01/2018 ------ (OCR) page 1 of number 1 page invention summary. Production process of ready-mixed concrete for prestressed concrete reinforcement is intended to bring raw materials. Of concrete production, reinforced concrete works, prestressed concrete, to be mixed according to a specific process by a mixer with specific performance starting from the preparation of a concrete mixer with a clean interior The maximum size of stone is 19.0 mm and the cement is placed in the concrete mixer. Then turn on the machine to mix the rocks and sand and Homogeneous mix of cement in a mixer. When the ingredients are well mixed together. Then add all the water used to mix when the added water is mixed well with sand, stone and cement. Therefore began to add a concrete admixture of 2.30 liters per cubic meter Ready to turn on the concrete mixer so that the added solution mixes well with the mixture Concrete for 1 minute to complete the mixing process. ------------ Correction 2/6/60 Precast concrete production process for prestressed concrete. The raw materials for the production of prestressed concrete are mixed according to a specific process by a specific performance mixer starting from the preparation of a concrete mixer with a clean interior. The maximum size of stone is 19.0 mm and the cement is placed in the concrete mixer. Then turn on the machine to mix the rocks and sand and Homogeneous mix of cement in a mixer. When the ingredients are well mixed together. Then add all the water used to mix when the added water is mixed well with sand, stone and cement. Therefore began to add a concrete admixture of 2.30 liters per cubic meter Ready to turn on the concrete mixer so that the added solution is compatible with the mixture Concrete for 1 minute to complete the mixing process. .................................................. .................................................. .................................................. . The production process of ready-mixed concrete for prestressed concrete is intended to bring Raw materials of concrete production, reinforced concrete, prestressed concrete, are mixed according to specific steps by special performance mixers starting from the preparation of concrete mixers that are clean inside. The maximum size of stone is 19.0 mm and the cement is placed in the concrete mixer. Then turn on the machine to mix the rocks and sand and Homogeneous mix of cement in a mixer. When the ingredients are well mixed together. Then add all the water used to mix when the added water is mixed well with sand, stone and cement. Therefore began to add a concrete admixture of 2.30 liters per cubic meter Ready to turn on the concrete mixer so that the added solution is compatible with the mixture Concrete for 1 minute, then the mixing process is complete.

Claims (3)

Disclaimer (all) which will not appear on the advertisement page. : ------ 29/01/2018 ------ (OCR) Page 1 of 1 page Claims 1. Production process of ready-mixed concrete, reinforced concrete, prestressed concrete, has the following steps: Prepare a concrete mixer with a clean interior and a wet interior. (Not completely dry) and aggregates (rock and sand) with moisture in the state saturated with water and dry (saturated surface dry). B. Weigh rock size 19.0 mm. And 450 kg of cement per cubic meter Put into the concrete mixer Then turn on the machine at a speed of 20 rpm to mix the stone and sand and cement homogeneous in the mixer for 1 minute. C. When the cement, sand and stone are mixed well. Therefore add all the water However, while adding water, turn on the machine. Mix the concrete so that the added water mixes well with the sand and cement mixture for 25 seconds. D. When the added water is mixed well with the sand, stone and cement. Therefore began to add a concrete admixture of 2.30 liters per cubic meter Ready to mix concrete mixer to make the added solution mix well with the mixture. Of concrete for 1 minute, then the mixing process is completed. 2. Production process of ready-mixed concrete, reinforced concrete, prestressed concrete according to claim 1, where the cement Portland Type 1 contains the chemical composition by weight, consisting of 4.35% aluminum oxide (Al2O3), 20.10% silicon dioxide (SiO2), 0.63% potassium oxide (K2O), calcium oxide (CaO), 62.32% titanium dioxide. (TiO2) 0.23% iron oxide (Fe2O3) 3.24% and the percentage of weight loss due to combustion of 1.71%, while the physical properties including The average size was 623.8 micrometers, the specific surface area was 472 square meters per kilogram. Specific gravity is 3.10 and moisture content of 0.12% 3. Ready-mixed concrete, reinforced concrete, prestressed concrete according to claim 1 or 2, where the formula is as follows: The amount of cement is 450 kilograms per cubic meter. The amount of water mixed with concrete is 165 kilograms per cubic meter. The amount of sand is 835 kilograms per cubic meter, the rock volume is 1065 kilograms per cubic meter. The volume of concrete admixture is 2.30 liters per cubic meter. ------------ Revised 2 June 2017 1. Production process of ready-mixed concrete, prestressed concrete, the steps are as follows: a. Concrete mixer inside is clean and inside surface is wet. (Not completely dry) and aggregate (rock and sand) with moisture in the state of saturated water and dry surface (saturated surface dry). B. Weighing rock size 19.0 mm, volume equal to 165 kg / m3 And 450 kg of cement per cubic meter Put into the concrete mixer Then turn on the machine at a speed of 20 rpm to mix the stone and sand and cement homogeneous in the mixer for 1 minute. C. When the cement, sand and stone are mixed well. Therefore add all the water However, while adding water, turn on the machine. Mix the concrete so that the added water mixes well with the sand and cement mixture for 25 seconds. D. When the added water is mixed well with the sand, stone and cement. Therefore began to add a concrete admixture of 2.30 liters per cubic meter Ready to turn on the concrete mixer to make the added solution mix well with the mixture Of concrete for 1 minute, then the mixing process is completed. 2. The production process of ready-mixed concrete, reinforced concrete, prestressed concrete, is subject to claim 1 where the cement is laid. Portland Type 1 contains the chemical composition by weight, consisting of 4.35% aluminum oxide (Al2O3), 20.10% silicon dioxide (SiO2), 0.63% potassium oxide (K2O), calcium oxide (CaO), 62.32% titanium dioxide. (TiO2) 0.23% iron oxide (Fe2O3) 3.24% and the percentage of weight loss due to combustion of 1.71%, while the physical properties including The average size was 623.8 micrometers, the specific surface area was 472 square meters per kilogram. The specific gravity is 3.10 and the moisture content of 0.12% 3. The formula for the proportion of concrete mix, reinforced concrete, prestressed concrete, according to claim 1 or 2, where the formula is as follows The amount of cement is 450 kilograms per cubic meter. The amount of water mixed with concrete is 165 kilograms per cubic meter. The amount of sand is 835 kilograms per cubic meter, the rock volume is 1065 kilograms per cubic meter. The volume of concrete admixture is 2.30 liters per cubic meter. .................................................. .................................................. .................................................. . 1. The production process of ready-mixed concrete has the following steps: a. Prepare a concrete mixer that is clean inside and that the inside surface is wet. (Not completely dry) and aggregates (rock and sand) with moisture in the state of saturated water and dry surface (saturated surface dry). B. Weigh rock size 19.0 mm. And 450 kg of cement per cubic meter Put into the concrete mixer Then turn on the machine at a speed of 20 rpm to mix the stone and sand and cement homogeneous in the mixer for 1 minute. C. When the cement, sand and stone are mixed well. To weigh the fly ash in the amount of 165 kg per cubic meter and then add all. However, while adding water, turn on the concrete mixer to allow the added water. Goes well with sand and cement mixture for 25 s. D. When the added water is mixed well with sand, stone and cement. Therefore began to add a concrete admixture of 2.30 liters per cubic meter Ready to turn on the concrete mixer to make the added solution mix well with the mixture Of concrete for 1 minute to complete the mixing process. 2. Production process for ready-mixed concrete according to claim 1, where type 1 Portland cement has chemical composition by weight, consisting of 4.35 percent Al2O3, silicon dioxide (SiO2) percent. 20.10, 0.63% potassium oxide (K2O), 0.63% calcium oxide (CaO), 62.32%, titanium dioxide (TiO2), 0.23%, iron oxide (Fe2O3) 3.24%, and the percentage of weight loss due to combustion 1.71%. On the other hand, its physical properties consist of a mean size of 623.8 μm, a specific surface area of 472 square meters per kilogram. Specific gravity is 3.10 and the moisture content of 0.12%. 3. The concrete mix proportion formula according to claim 1 and 2 are as follows. The amount of cement is 450 kilograms per cubic meter. The amount of water mixed with concrete is 165 kilograms per cubic meter. The amount of sand is 835 kilograms per cubic meter, the rock volume is 1065 kilograms per cubic meter. The volume of concrete admixture is 2.30 liters per cubic meter.